Timeline
Overall timeline of pre-game and game events. Plots listed are those with (eventual) mansion-wide impact. For more detailed month-by-month summaries, go to the monthly summary section.
Pre-X2
1937 - Charles Xavier born
1940 - Cain Marko born
1954 - Erik Lehnsherr meets Charles Xavier.
Late 1970s - Mistra created.
1976 - Charles Xavier has a climbing accident in Switzerland, his injuries confine him to a wheelchair.
1980 - During renovation of the mansion into a school for mutants, Erik Lehnsherr lives in New York with Charles Xavier and Gabrielle Haller. The three become active in civil rights and research into the newly-discovered "mutant gene".
1982 - Erik and Charles begin work on Cerebro and other technological advances in the mansion.
1986 - Xavier's School for Gifted Youngsters is opened to students. Thirteen year old Jean Grey is the first.
1987 - Kevin MacTaggart is born.
1988 - Hank McCoy comes to the school.
1991 - Moira MacTaggart begins accepting private patients on Muir Island Research Facility.
1993 - Scott Summers comes to the school.
1994 - Eric Lehnsherr and Charles Xavier have a falling out and Eric Lehnsherr leaves the mansion forever. Kevin MacTaggart dies.
1995 - David Haller is brought to Muir Island.
1996 - Haller transfers to the school.
1997 - Nathan Dayspring arrives at Muir Island for treatment. Ororo Munroe and Warren Worthington arrive at the school.
1998 - Haller leaves Xavier's and returns to Muir Island.
1999 - Sam Guthrie, Bobby Drake and Theresa Cassidy come to Xavier's. Scott becomes leader of the X-Men.
2000 - Haller spends a month at Xavier's. Kitty Pryde, John Allerdyce and Piotr Rasputin arrive at the school. Pete Wisdom meets Charles Xavier. Morlock Massacre.
2001 - Jubilation Lee comes to the school. Pete Wisdom becomes British government liason to the school. Betsy Braddock blinded during a STRIKE mission.
2002 -
- Massachusetts Academy attacked by a Sentinel. Most of the student body wiped out. Emma Frost arrives at the school.
- (March) Betsy Braddock arrives at the school.
- (October) Artie Maddicks and Illyana Rasputin arrive at the school.
- (November) The events of X1 and the arrival of Marie D'Ancato and Logan.
- (December) Lorna Dane arrives at the school.
January
February
March
- Arrivals: Alison Blaire arrives at the school.
April
Scott becomes headmaster.
- Arrivals: Madelyn Bartlet, Nathaniel Essex, Kurt Wagner, Jamie Madrox, Jonothan Starsmore, Sarah Morlocke, Everett Thomas, Marie-Ange Colbert, Rahne Sinclair and Haroun al-Rashid.
- Plots: Crimson Dawn - Betsy Braddock approaches Nathaniel Essex about restoring her sight.
- Arrivals: Paige Guthrie, Alex Summers
- Plots: Crimson Dawn - Betsy prepares for her surgery in secret.
Information on the Sentinel project uncovered.
- Plots: X-Men Mission: Pyro - John Allerdyce is retrieved from the Brotherhood of Mutants
- Arrivals: Doug Ramsey, Angelo Espinosa
Alison Blaire becomes student counsellor. Pete is fired by the British government.
- Plots: Crimson Dawn - Betsy's surgery lands her in a coma.
- Arrivals: Moira MacTaggart, Tabitha Smith
Pete becomes the self defence teacher. Marie-Ange's precognition begins to surface.
Emma is kidnapped by a Sentinel.
- Plots: Crimson Dawn - Students kidnap Betsy from the school and Essex completes her surgery with an experimental process.
- Arrivals: Shiro Yoshida, Cain Marko, Jake Gavin
- Departures: Dr. Nathaniel Essex.
Emma retrieved by Pete and Brian Braddock
- Plots: Something Wicked - Betsy notices something strange about herself post-surgery.
- Arrivals: Monet St. Croix, Manuel de la Rocha, Shinobi Shaw, Leech, Clarice Ferguson
- Departures: Haroun al-Rashid
- Plots: British Invasion - Pete's former employers attack. Something Wicked - Betsy behaves strangely.
- Arrivals: Remy LeBeau, Amanda Sefton
Red X launched by the Red Cross. HeliX created by Jamie Madrox.
- Plots: Something Wicked - Kwannon becomes more active and uses others to trap Betsy. Love Potion Number Nine - A spell goes disastrously awry for Amanda and Doug. Limbo (plot) - Illyana is kidnapped by Belasco and ages into adolescence.
- Arrivals: Nathan Dayspring
First manifestation of Askani
- Plots: Something Wicked - Kwannon is revealed and eventually imprisoned in Betsy's mind.
- Arrivals: Jane Doe
- Departures: Everett Thomas
- Plots: Skippy (plot) - Jamie's evil dupe attacks.
- Departures: Emma Frost, Marie D'Ancato, Logan
- Plots: Marauders (plot) - Sarah faces off against the Marauders (new) and is killed, but manages to heal.
- Plots: Collateral Damage - Mistra attack Nathan at Columbia University.
- Arrivals: Sean Cassidy, Kylun, Jean-Paul Beaubier, Cecilia Reyes, Haroun al-Rashid
- Plots: Asgard (plot) - Students and teachers are kidnapped to Asgard by Loki. Trojan Horse - Nathan is recaptured by Mistra.
- Arrivals: Xi'an Coy Manh
- Departures: John Allerdyce
- Arrivals: Jay Guthrie, Jeanne-Marie Beaubier, Wanda Maximoff
Lockheed hatches.
- Plots: Repodemon - Demon attack at the Halloween party. One To The Chest - Doug gets shot.
- Arrivals: Kyle Gibney, Forge
- Departures: Cecilia Reyes, Shinobi Shaw
- Plots: Sound and Fury - The Brotherhood attacks Miles Blaire and Alison at the mall. Heiress Discordia - Manuel's mind is wiped.
- Arrivals: Catseye
- Departures: Sarah Morlocke
- Plots: Remy's Eleven - Staff and students conduct a heist in Las Vegas. Proteus (plot) - Moira's ex sends a reality-warping mutant to attack Muir Island at New Year's.
- Arrivals: Danielle Moonstar
- Departures: Jean-Paul Beaubier, Jeanne-Marie Beaubier
Tommy Jones burns down the CoffeeQuake.
- Arrivals: Hank McCoy (from an absence)
- Plots: Hellfire and Damnation - The killer of Pete's father is revealed and Pete leaves for revenge. Infectia (plot) - Hank gets killer cooties.
- Plots: Reavers (plot) - The Reavers attack the school and are repelled. Thermopylae - Mistra is defeated on Youra.
- Arrivals: Jean Grey
Pete becomes White King of the Hellfire Club
- Plots: This Love, This Hate - Tommy beats Jay nearly to death.
- Arrivals: Jake Gavin (after an absence), Meggan Szardos
Birth of William Norton McCoy. Marriage of Nathan and Moira.
Nathan's father Saul Morrow, makes an appearance.
Death of Charlie Plunder
- Plots: Bad Blood - Sabretooth abducts and tortures Alison.
- Departures: Monet St. Croix
- Arrivals: Jennie Stavros
Birth of Rachel Kinross
- Plots: With Malice Aforethought - Lorna is abducted and controlled by Magneto; Just One Drug - Amanda Sefton makes a deal with the devil. Traitor - Tommy Jones is outed as a mutant.
- Arrivals: Tommy Jones
Stepford Cuckoos brought to the mansion
- Plots: Upgrade - Haroun's new legs. Hellfire and Damnation - Nate fights Pete.
- Arrivals: Warren Worthington (after an absence)
Jono recovers his body, with the help of Forge and Paige.
- Plots: With Malice Aforethought - Forge is kidnapped by Lorna and builds the Neutralizer. High Cost Of Living - Amanda uses the energy of others to heal Remy from life-threatening injuries and is expelled.
- Arrivals: Marius Laverne
Pete returns to the school after taking down Selene.
- Plots: Mutants and Molotovs - Riots in Seattle.
- Plots: No Way Out - Tommy attempts suicide.
- Arrivals: Dr. Amelia Voght
- Departures: Jane Doe, Meggan Szardos, Madelyn Bartlet, Hank McCoy, Amanda Sefton, Remy LeBeau
Marriage of Jean and Scott
- Plots: Trinity - Bridge is killed by Gideon Faraday
- Arrivals: David Haller
- Departures: Manuel de la Rocha
- Plots: Not So Plain Jane - Jean's mind is taken over by an alter ego called Jane.
- Arrivals: Karolina Dean
- Plots: Not So Plain Jane - Jane continues to wreck havoc on Jean's life.
- Arrivals: Logan, Amanda Sefton, Remy LeBeau
- Plots: House of Wind - Nathan faces down Gideon Faraday.
- Departures: Alison Blaire, Miles Blaire, Haroun al-Rashid, Warren Worthington, Piotr Rasputin
Creation of X-Force and the Snow Valley Memorial Center for Mutant Affairs
- Plots: Operation: Opening Salvo - Pete brings together a team to rescue Romany Wisdom.
- Arrivals: Marie D'Ancato
- Plots: Ghost of a Chance - Strange visions of alternate presents afflict the mansion. The Enemy Within - Cain Marko vs. Cyttorak.
- Arrivals: Crystal Amaquelin, Kevin Ford, Sarah Morlocke, Mondo
Nathan buys a young mutant girl in Afghanistan.
- Plots: The Rictor Effect - Julio knocks down San Diego. Bleeding - Marius leaves the school.
- Arrivals: Julio Richter
- Departures: Jay Guthrie, Jubilation Lee, Jean Grey, Kylun
Marriage of Terry and Bobby.
- Plots: Bleeding - Marius' situation gets increasingly desperate and he buys a young Albanian girl to help with his powers.
- Arrivals: Sooraya Qadir, Angelica Jones, Mark Sheppard, Amara Aquilla
- Departures: Kitty Pryde, Jamie Madrox
Nathan starts using the firebird exoskeleton.
- Plots: Bleeding - Marius is taken down, Manuel is hit by a truck. Mommy Dearest Redux - Kurt goes to find his mother, Mystique.
- Arrivals: Medusa Amaquelin, Yvette Petrovic
Marius is cured.
- Plots: Mommy Dearest Redux - Kurt protects Mystique from being captured by the X-Men.
- Arrivals: Pietro Maximoff
- Departures: Sean Cassidy, Manuel de la Rocha
- Plots: The Gates - Riots in a Smichov mutant ghetto.
- Arrivals: Garrison Kane, Jean Grey (from an absence)
- Departures: Jono Starsmore, Kevin Ford, Paige Guthrie (to assist at Muir Island)
X-Force spend Christmas under quarantine.
- Plots: Living Pele - Alex is used as a power source for an Hawaiian "goddess".
- Arrivals: Alex Summers (from an absence)
Kurt Wagner changes his name to Kurt Sefton and has his scars removed after a powers incident.
- Plots: When It All Goes Wrong Again - students fall into a coma after a field trip. Minitooth - Sabretooth is captured trying to assassinate a politician.
Red X goes to Kansas City.
- Departures: Forge (to Muir Island on sabbatical); Cain Marko
David Haller discovers he is Xavier's son.
- Plots: Kaiten - Scott almost becomes a bomb, Angelo goes undercover, the terrorists are defeated.
- Arrivals: Monet St. Croix, Tabitha Smith, Janet Van Dyne, Forge (from sabbatical), Cain Marko (from an absence)
- Plots: This Savage Land - a field trip goes wrong and dinosaurs attack New York; Remix - the adults run afoul of a gender-swapping mutant.
- Arrivals: John Allerdyce
- Departures: Janet Van Dyne (to complete high school at her own school); Bobby Drake (to oversee Cassidy Keep).
Kurt discovers his father.
- Plots: Remix - the staff have their genders swapped for a week; Ahab (plot) - three students are taken and made into Hounds.
- Departures: Theresa Cassidy (to join Bobby at Cassidy Keep); Lorna Dane (for a months' research project).
The Askani are invoked by an astral projector, Tara Trask.
- Plots: Voodoo Child - three-quarters of the mansion is held hostage by a Selene cult; Sound of Silence - Attilan disappears, taking with it Crystal, Medusa and Forge.
- Arrivals: Jonothan Starsmore and Paige Guthrie (from Muir Island Research Facility), Lorna Dane (from her project); Amahl Farouk.
- Departures: Crystal Amaquelin and Medusa Amaquelin (both returning home to Attilan).
- Plots: Sound of Silence - light is shed on the Attilan mystery, Great Rift - Elpis helps T'Challa against vibranium smugglers.
- Departures: Lorna Dane (moving out of the mansion)
Terry and Bobby's wedding, part 2
- Plots: Sound of Silence - Attilan returns; Alexander's Wall - Magneto gains a new potential Brotherhood of Mutants member.
- Arrivals: Forge (from Attilan); Crystal Amaquelin (for a visit); Theresa Cassidy (for school).
Death of Margali Szardos; Marie discovers her father is Mystique.
- Plots: New Orleans Is Sinking - Belladonna Boudreaux-LeBeau enacts her final plan to take over New Orleans.
- Arrivals: Noriko Kikuchi, Kevin Ford
- Departures: Mondo, Sam Guthrie
Monet St. Croix develops a mysterious illness.
- Plots: Thirteen Days - mutants in spaaaaace!
- Arrivals: Jay Guthrie, Crystal Amaquelin (as a staff member)
- Departures: Pietro Maximoff (to work on Attilan)
Laurie Collins and Janet Van Dyne receive trainee codenames; Kevin Ford and Jay Guthrie announce their relationship.
- Plots: Karma Police - Wanda Maximoff, Jennie Stavros and Domino are captured by a cult.
- Arrivals: Jane Doe
- Departures: Bobby Drake (remaining in Ireland for college), Jonothan Starsmore (moved into an apartment in Salem Center).
Student field trip to Japan, Alex and Shiro's relationship ends badly.
- Plots: Jishin Da! - Julio Richter eats an earthquake.
- Arrivals: Jean-Phillipe Colbert
- Plots: Blessed Are The Peacemakers - an assassination attempt on Istvan Barath is foiled; Red X Mission: Whistler - the Red X team help with an avalanche in Canada and work with Beta Flight; X-Men Mission: Opera Redux: a team gets stranded in Iran.
- Departures: Logan (remaining in Canada to recover from the Wendigo incident)
The Church of Humanity surfaces.
- Plots: The Shadow King (plot) - Farouk's 'illness' is revealed and almost takes out the astral plane and the telepaths.
- Arrivals: Dr. Leonard Samson (into a more active role), Jubilation Lee.
Scott and Alex's father is found to be alive and well.
- Plots: Operation: Take A Bow: Mark Sheppard is believed killed by Warwolves; Red X Mission: Reconstruction: The Red X volunteers help rebuild parts of San Diego.
- Arrivals: Tatiana Caban, Emma Frost (into a more active role), Lucas Bishop
Marie and Garrison's relationship ends
- Plots: Shakespeare Syndrome: An adulterated sports drink compels various people to tell the truth, in verse; X-Men Mission: Becket: the X-Men fail to protect a priest targeted by Tara Trask and her people.
- Arrivals: Adrienne Frost, Inez Temple, Cessily Kincaid, Manuel de la Rocha (recovered from his coma)
The city of London attacks X-Force and Amanda goes missing; Kevin and Jay break up.
- Plots: Zemo: The school, the X-Men and X-Force are all called into service when Christian Kane brings news of the return of an old threat, Baron Zemo and the Masters of Evil.
- Arrivals: Vanessa Carlysle (using 'Morgan Lennox'); Callisto
- Departures: Lorna Dane (school at Berkeley); Marie D'Ancato (to Canada to see Logan).
Kurt Sefton and Wanda Maximoff break up. Colin MacInnis dies.
- Plots: X-Men Mission: Keep The Faith: a trainee team is ambushed. Bhagavad Gita: a nuclear explosion kills 500,000 in India.
- Arrivals: Jonothan Starsmore, Sam Guthrie, Suzanne Chan, Callie Betto
- Departures: Julio Richter (to spend the summer with his father), Jennie Stavros (Carribbean cruise), David Haller (working at Muir Island Research Facility), Marius Laverne (West Coast Annex), Sooraya Qadir (returned to her family for the summer)
Taygetos, an unknown Mistra project is found and Nathan is put into a coma. Esteban Trotsky is killed.
- Plots: Bhagavad Gita: a terrorist attack in India nearly touches off a nuclear war.
- Arrivals: Jennie Stavros and Julio Richter (returning from summer vacations)
X-Force assassinates three members of the Imperial Guard.
- Plots: Red X Mission: Shake Hands With The Devil: the Red X kids get caught up in ethnic cleansing in Sri Lanka. Sulaco: Jay Guthrie nearly dies of a mysterious illness and Dr. Nathaniel Essex saves him.
- Arrivals: Catseye
Jane Doe discovers her true identity.
- Plots: Krypteia - mutants attack a rally in Central Park and one is killed by the X-Men, revealing ties to Mistra.
- Arrivals: Marie D'Ancato (from Canada)
- Departures: Rahne Sinclair (to the Elpis office in Tel Aviv)
The New Mutants program is created.
- Plots: Day Zero: Apocalypse and his Horsemen attack New York.
- Arrivals: Meggan Szardos
- Departures: Cain Marko
- Plots: Mechanisms of Revenge - Pete Wisdom, Garrison Kane, Danielle Moonstar and Jay Guthrie are ambushed and apparently killed by Sabretooth and a group of unknown mutants.
- Arrivals: Jean-Paul Beaubier
- Departures: Cessily Kincaid (to Attilan)
Wakanda is attacked as a demonstration of the Taygetos program and Ilyas Saidullayev is captured.
- Plots: Mechanisms of Revenge: the mansion mourns its loss as Apocalypse escapes.
- Arrivals: Julian Keller, Amara Aquilla (moving back in from New York), Lillian Crawley-Jeffries
- Departures: Kevin Ford (West Coast Annex)
Manuel de la Rocha discovers his sister, Valentia.
- Plots: Mechanisms of Revenge: The four 'dead' return, changed forever.
- Arrivals: Carmilla Black, David North
- Departures: Rahne Sinclair (remaining in Tel Aviv)
Vanessa Carlysle and David North join X-Force; Kurt renounces his ties with Mystique
- Plots: So You Want To Be A Superhero - the New Mutants survive Murderworld; Walking Ghosts - Nathan is captured and nearly killed by Taygetos.
- Arrivals: Logan
- Plots: Midsummer's Nightmare - the New Mutants find themselves on the wrong end of a theatre superstition.
- Arrivals: Fred Dukes, Johnny Gallo
- Plots: 3 2 1 Contact - Leo Samson's clinic is the target of an anti-mutant bombing; Congress of Behram - X-Force and various others at a congress for mutant rights prevent the assassination of William Bastion by SIROCCO.
- Arrivals: Doreen Green
Cammie discovers her biological mother.
- Plots: X-Men Mission: Fifth Column: The X-Men foil a combined attack in Budapest by the Preservers and Tara Trask and her "Askani".
- Departures: Theresa Cassidy
- Plots: Mnemovore: Jean-Paul Beaubier is taken by Taygetos during an ambush. Face The Blood: Yvette Petrovic is injured by a mine in Bosnia-Herzegovina.
- Arrivals: Sarah Vale, Nicholas Gleason
- Departures: Karolina Dean
- Plots: Fiddler's Green: Taygetos is defeated, but at great cost.
- Arrivals: Alexander Lexington, Jeanne-Marie Beaubier, Kevin Ford (returned from the West Coast Annex)
- Departures: Alex Summers, Tommy Jones, Tatiana Caban
Nathan Dayspring retires from active duty with the X-Men; Leyu Yoshida manifests; Catseye and Nicholas Gleason begin dating.
- Plots: Home and Native Land: The new Alpha Flight team is ambushed and killed; Malibu Madness: The New Mutants have a vacation in Malibu and deal with a variety of issues.
- Arrivals: Victor Borkowski, Klara Prast
Amanda Sefton and Angelo Espinosa break up.
- Plots: Atomic Angel: Shiro Yoshida goes psychotic in Japan; Operation: Man of Stone: X-Force disrupts a Russian terrorist's mutant weaponisation program.
- Departures: Jean-Paul Beaubier, Jeanne-Marie Beaubier and Shiro Yoshida (to Muir Island); Forge, Scott Summers and Jean Grey (to the West Coast Annex); Nathan Dayspring (to the new Elpis office in New York); Noriko Kikuchi, Victor Borkowski, Johnny Gallo and Sarah Vale (returned home to their families); Lillian Crawley-Jeffries (to Canada, to care for her husband); Mark Sheppard (undercover in New York); David North and Jake Gavin (somewhere in Europe)
- Plots: X-Men Mission: Hotel Saragarhi - a team of X-Men rescues the Indian Opposition leader from his own countrymen, the Imperial Guard; One Year On: the anniversary of Day Zero is marked at Empire State University by the opening of a new HeliX chapter and a riot.
- Arrivals: Bobby Drake (returned from Cassidy Keep); Nico Minoru, Megan Gwynn; Dr. Henry McCoy (returned from Edinburgh to act as medic).
- Departures: Inez Temple (West Coast Annex for training).
- Plots: X-Men Mission: Jailbreak - A mass break-out of mutant criminals during a prisoner transfer results in the escape of several of the X-Men's old foes.
- Arrivals: Sooraya Qadir (returned to the school from Afghanistan), Warren Worthington (from the West Coast Annex)
- Plots: This Devil's Workday: Cammie runs afoul of the Purifers.
- Plots: Carry On: More of Julian's past comes to haunt him; Song of Isaac, Key of Solomon: Amahl Farouk and Garrison Kane run afoul of a Templar plot.
- Arrivals: Laura Kinney, Jean-Paul Beaubier
- Departures: Marie D'Ancato (investigating a lead into the Alpha Flight deaths), Jennie Stavros (internship with the London Ballet Company), Julio Richter (returned home to help care for his ill grandfather)
Vanessa Carlysle leaves X-Force; Forge and Crystal's relationship ends.
- Plots: Call of the Wild: Nick loses control and runs away; Noise and Confusion: Valentine's Day mayhem with another attempt on Julian's life.
- Departures: Jay Guthrie (to Muir Island for therapy), Manuel de la Rocha (returned to Spain), Jane Doe (to the Tel Aviv Elpis office), Suzanne Chan (to Chicago for work), Callie Betto (to Brazil to work with Alvorecer Novo), Clarice Ferguson (moved to Maryland for school)
- Plots: Santayana Effect: Jason Wyngarde attempts to trap Adrienne Frost in a Reading but doesn't account for Emma's interference.
- Arrivals: Lorna Dane (returned for powers help)
Belladonna Boudreaux-LeBeau becomes the new Black Queen of the Hellfire Club.
- Plots: Revenant: Selene returns, this time through Meggan Szardos; Lakshmibai Raj: D. Ken Neramani attempts to annex Pakistan after an earthquake and a bombing, with the X-Men, X-Force, New Mutants, Red X and Elpis getting involved in stopping all-out war.
- Arrivals: Jake Gavin (returned from Europe), Jared Corbo
- Plots: New Orleans: The Pontchartrain Strain: Marie-Ange Colbert dumps Doug Ramsey and leaves X-Force; A Brother's Protection: Nick Gleason's sister asks for help escaping the Purifiers.
Jake Gavin rejoins X-Force; X-Factor Investigations created.
- Plots: Homeward Bound: Amara Aquilla finds her true family; A Brother's Protection: Graduation is attacked and Nicholas Gleason vanishes; Butterflies and Hurricanes: The Untouchables lose their powers.
- Departures: Adrienne Frost (returned to Boston); Catseye (went looking for Nick)
Nicholas Gleason remains missing. Kevin Ford and Jean-Paul Beaubier break up after a powers accident injures Kevin.
- Plots: Butterflies and Hurricanes: The truth of the Untouchables' missing powers is revealed.
- Arrivals: Jean Grey (returned from the West Coast Annex)
- Plots: Butterflies and Hurricanes: The Untouchables take back their powers.
- Departures: Sooraya Qadir (to Attilan for schooling), Betsy Braddock (to care for her mentally ill brother)
Ororo Munroe joins X-Force
- Plots: Operation: Lie Back and Think of England: X-Force investigate voting irregularities in England; Red X Mission: Firestorm: Red X fights a wildfire in Alberta.
- Arrivals: Piotr Rasputin
- Departures: Xi'an Coy Manh, Leong and Nga Manh (to Salem Center for alternative schooling); Jonothan Starsmore (on tour with a band)
Kurt Sefton asks X-Factor to find Nicholas Gleason.
- Plots: X-Men Mission: Who You Gonna Call?: The X-Men run afoul of M-Squad and The Taskmaster.
- Plots: There Will Be Peace: Julian's family are kidnapped, forcing a final confrontation with the Lords of War; The Gift: Nico's family try to abduct Nico at the mall but are foiled by Amanda.
- Departures: Jono Starsmore (on tour)
- Plots: The Gift: Nico's parents use her in a ritual that triggers her mutation; The Best Deceptions: Nanny and the Orphan Maker escape prison and attack the Hayes Family.
- Arrivals: Megan Gwynn (returned from London, looking for her sister)
Kevin Ford and Jean-Paul Beaubier break up; Kevin's parole ends.
- Plots; The Best Deceptions: The X-Men rescue Molly Hayes from Nanny and the Orphan Maker; Fianchetto: Doug's Hellfire Club connections put his sister in trouble with an ambitious Telford Porter.
- Arrivals: Molly Hayes
- Departures: Logan (to join Marie D'Ancato investigating the Alpha Flight massacre)
Vanessa Carlysle and Alexander Lexington break up.
- Plots: Dinosaur Bugaloo: Karl Lykos returns; I'll Be Home: Nick comes back from the dead; Operation: Louisiana Lowdown: Marie-Ange's mission in New Orleans comes to a conclusion.
- Arrivals: Wade Wilson, Nicholas Gleason (with amnesia), Marie-Ange Colbert (back from New Orleans), Sarah Vale
- Plots: X-Men Mission: The Grotesque and the Sublime: Chasing a lead into the Alpha Flight massacre in Madripoor, the X-Men fight for their lives against a resurrected Lady Deathstrike and her team.
- Arrivals: Callie Betto (living off-campus after returning from Brazil), Matt Murdock
- Departures: Lorna Dane (to Muir Island for powers assistance)
Jubilation Lee and Doug Ramsey's relationship begins
- Plots: Operation: Sanguinicity: An X-Force job turns into an ambush and Remy is captured; X-Factor Investigation: Cathouse: Members of X-Factor and X-Force go undercover in a brothel to investigate claims of abuse.
Nico Minoru and Julian Keller break up
- Plots: Operation: зимний солдат: X-Force encounter the Winter Soldier; My Long Forgotten Son: Artie Maddicks finds his Morlock foster mother Annalee; Aftershocks: X-Factor investigate a serial killer targeting mutants.
- Departures: Wade Wilson (the Muir Island for health reasons)
- Plots: Aftershocks: the killer is caught, with the help of David Haller, Amanda Sefton and Meggan Szardos combining their powers; My Long Forgotten Son: under Annalee's influence, the New Mutants run away to the Morlock Tunnels and the X-Men retrieve them; Operation: Red Letter Day: Remy LeBeau is rescued after he leaves a 'trail' for his teammates to follow.
- Departures: Jean-Paul Beaubier (on an extended job for X-Factor); Jake Gavin (investigating HYDRA)
Vanessa Carlysle goes missing
- Plots: Don't Close Your Eyes: Nightmare sends his men to invade the mansion as part of his plan for revenge on Jean Grey and traps the residents in nightmares.
- Departures: Klara Prast (to live with her brother and his family)
- Plots: Don't Close Your Eyes: Dr. Amelia Voght is 'resurrected' from the astral plane; Capital Turpitude: Adrienne Frost is blackmailed by the Black Court and asks the X-Men for help; Mortimer Toynbee's Electric Funkedelic Boogaloo: An attempt by Toad to create a situation at Silver with Kick results in psychedelic happy times when Laurie Collins and Megan Gwynn have a powers interaction.
- Arrivals: Wade Wilson (return from Muir Island); Adrienne Frost (returned from Boston); Sam Guthrie (returned from Muir Island)
- Departures: Kevin Ford (post-parole travelling); Amahl Farouk (taken by Ozymandias)
- Plots: The Curse: Nico's parents are killed by Arcana Minoru.
- Arrivals: Korvus Rook'shir (new student from India)
- Departures: Julian Keller (to the West Coast to work for his father)
Warren Worthington and Vanessa Carlysle break up.
- Plots: The Problématique: Vanessa Carlysle is found and rescued; What Goes Around, Comes Around: The Halloween party gets a little too realistic as an old amulet of Amanda's makes people believe they are their costumes.
- Arrivals: Layla Miller (new student); Theresa Cassidy (returned from Ireland); Vanessa Carlysle (rescued in Prague); Jean-Paul Beaubier (returned from Denmark).
Nico Minoru joins X-Force
- Plots: Sons of Liberty: Garrison Kane risks calling the X-Men into an FBI investigation when it turns into a hostage situation; No Pryor Convictions: Avalanche resurfaces, using teenage mutants to help him rob banks; X-Men Mission: Any Other World: Clarice Ferguson is working at the hospital when a potentially dangerous situation arises.
- Arrivals: Sharon Smith (from Tel Aviv); Scott Summers (from the West Coast Annex); Madelyne Pryor (new student); David North (from undercover in Europe); Sooraya Qadir (back from Attilan)
- Departures: Laura Kinney (travelling, on hiatus)
Clarice Ferguson re-joins the X-Men, Sarah Vale begins working for X-Factor Investigations, as does Adrienne Frost, Sooraya Qadir begins working for Elpis again
- Plots: X-Men Mission: X-Mas in Milwaukee - The X-Men vs. the Great Lakes Avengers; Operation: зимний солдат - X-Force discovers Rebecca Barnes has escaped hospital.
- Plots: Operation: Teenage Wasteland: Most of X-Force regresses back to being sixteen thanks to an informant on Kick; X-Men Mission: Day Zero, the Movie: the X-Men go undercover at a movie premiere to prevent a terrorist threat.
- Arrivals: Lorna Dane
- Departures: Nicholas Gleason (to Muir Island to work) and Bobby Drake (to the West Coast Annex)
Jubilation Lee and Doug Ramsey's relationship ends.
- Plots: Genosha Arc begins with London to Ladysmith via Pretoria - Phillip Moreau and Jenny Ransome from Genosha seek asylum; Times They Are A-Changin' - a pro-mutant street fair turns chaotic when the FOH rally in attendance manifests powers en masse.
- Departures: Dr. Henry McCoy (to Edinburgh to care for his son)
- Plots: Genosha Arc continues with Operation: A Roving Commission - X-Force gets information on the mutant smugglers possibly involved in the Genoshans' disapperance and X-Men Mission: Amid These Storms - the X-Men bait a trap with their younger members and capture the mutant smugglers, but two Genoshans escape from custody.
- Arrivals: Angelica Jones (back from school in Europe 2 weeks later); Vance Astrovik
- Departures: Angelica Jones (school in Europe)
- Plots: Genosha Arc - Genosha strikes back against Xavier's, kidnapping a group of students and staff; the rescue teams are ambushed, leading to more prisoners and the rest scattered across the island; plans are made to fight back.
- Departures: Monet St. Croix (back to Australia to work for her father)
- Plots: Genosha Arc concludes - the combined might of the Xavier's mutants overturns the corrupt Genoshan Government and frees the mutate slaves.
- Arrivals: Tandy Bowen, Jessica Vale, Hope Abbott
- Departures: Jean-Paul Beaubier (travelling in Europe)
Jubilation Lee and Kurt Sefton's relationship begins. X-Corps is created.
- Plots: Ashes and Mist - Rachel's 'return'.
- Arrivals: Susan Storm, Rachel Kinross-Dayspring
Angelo Espinosa and Alejandra Torres break up.
- Plots: Joyful Noixe: The X-Men help stop a Purifier attack at a pro-mutant concert.
- Arrivals: Renee Nguyen, William Kaplan, Johnny Gallo
Jean-Phillipe Colbert and Angelo Espinosa's relationship begins.
- Plots: Sonatorrek - Garrison Kane and Abigail Brand investigate Biker Thor; What Am I Doing Here? - Sam Guthrie ends up on the wrong side of the Friends of Humanity during a visit home.
- Arrivals: Clinton Barton
Susan Storm and Matt Murdock's relationship begins.
- Plots: X-Corps: Breaking the World: X-Corps has its first mission.
Angelica Jones becomes the mentor of the New Mutants; Garrison Kane and Adrienne Frost's relationship begins.
- Plots: Allumwandlung in Azure and Gules: Adrienne wins her freedom from Jason Wyngarde and the Hellfire Club; Light in the Darkness: Tandy Bowen is kidnapped by her father.
- Arrivals: Topaz; Jennie Stavros
- Departures: Theresa Cassidy (recalled to Interpol)
- Plots:
- Arrivals:
- Departures: